Miners want to return to the treasured landscape, promising an economic boost while raising fears of how modern gold ...

Black Hills and NorthWestern Energy said on Tuesday they would merge, creating a $15.4 billion regulated electric and natural ...

NorthWestern shareholders will receive 0.98 shares of Black Hills for each held. Black Hills stockholders would own roughly ...

NorthWestern Energy Group and Black Hills have agreed to combine to form a large $7.8 billion regulated electric and natural ...

The utility will have a market capitalization of approximately $7.8 billion, based on each company’s closing stock price as ...

NorthWestern Energy replaced the mighty Montana Power Co. in 1997, which was headquartered in Butte for decades.

The Black Hills Clean Water Alliance says that could mean long-term damage to the environment and tourism. But the effort ...

Northwestern Energy has announced a significant merger with South Dakota's Black Hills Corp, leading MTN's John to examine ...

Black Hills and NorthWestern Energy will merge in an all-stock deal to form a utility provider serving 2.1 million customers ...

Black Hills and NorthWestern Energy have entered a definitive agreement that will establish a electric and natural gas ...

SPEARFISH — Energy President and CEO Linn Evans has announced that the Rapid City-headquartered utility company intends to ...